Chemistry, 31.03.2020 16:40 austin8535
1. Valcouroceras is a New York State index fossil. Which mountain-building event
occurred in New York State during the time when Valcouroceras was living in oceans
covering parts of New York State?
1. Alleghenian orogeny
2. Acadian orogeny
3. Taconian orogeny
4. Grenville orogeny
Answers: 2
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An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have
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Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.
Answers: 2
Chemistry, 22.06.2019 11:00
Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that can’t be observed.
Answers: 1
Chemistry, 22.06.2019 23:10
Using the periodic table, complete the following. element: hydrogen symbol: hâ‚‚ molecular weight: g mass of one mole: g/mol
Answers: 3
1. Valcouroceras is a New York State index fossil. Which mountain-building event
occurred in N...
occurred in N...
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